Receiver voltage monitor, Voltspy-Spannungsüberwachung Ref. N°. 3158
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Product information
Visual voltage monitor for 4.8 V NC receiver batteries.
This lightweight miniature check instrument monitors the voltage of the 4.8 V NC receiver battery while you are flying. Over a period of time the LED shows four different coloured flashing indicators, corresponding to different airborne battery conditions. It is simply plugged into any vacant receiver socket.

LED green flashing: Battery voltage sufficiently.
LED yellow flashing: Switch off receiver and charge the battery.
LED red flashing: Battery empty.

Visual flashing LED indicator 4 voltage stages
Voltage range 4.3–5.8 V
(4 NC cells)
Dimensions approx. 43 x 14 x 8 mm
Cable length approx. 280 mm
Weight approx. 8 g


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